When you import coolant, the chemistry gets the attention — OAT versus HOAT, freeze protection, service life. But the single decision that shapes your freight bill, your shelf economics and how much working capital sits in a warehouse is pack size. A 1 L bottle and a 208 L drum hold the same coolant, yet they are different products with different buyers, different margins and different container-loading math. This guide lays out the four pack sizes that matter for an import or private-label coolant line and how to mix them.
The four pack sizes that actually move
| Pack size | Primary buyer | Channel | Freight note | MOQ note |
|---|---|---|---|---|
| 1 L bottle | Retail driver / end user | Auto-parts shelf | High — ships full weight | Lowest MOQ, most facings |
| 4 L jug | Workshop / small fleet | Repair shop | High, better per litre | Mid MOQ |
| 9 KG / 10 L pail | Fleet / workshop depot | Fleet store | Still water-heavy | Higher MOQ, bulk price |
| 208 L drum / IBC | Mine, plant, municipal fleet | Contract account | Lowest per litre | Contract / high MOQ |
Match pack size to the buyer, not the price
It is tempting to fill a container with the biggest packs because the per-litre price looks best. That strands working capital in stock that turns twice a year. The bottle's job is velocity and foot traffic; the drum's job is margin on contracted volume. A tropical importer typically leads with 4 L and 9 KG ready-to-use jugs for the workshop and fleet, keeps 1 L bottles for retail shelves, and reserves drums for contract accounts.
- Lead with 1 L and 4 L for retail and the independent workshop — these turn fastest and pull repeat buyers.
- Use the 9 KG / 10 L pail as the fleet and depot workhorse: enough volume to matter, small enough to move without a pump or bunded store.
- Reserve 208 L drums and IBCs for contract fleets and plants; price them on volume, not on shelf logic.
Container loading: how packs change a mix
| Pack | Units per 20ft container (approx.) | Why it matters |
|---|---|---|
| 1 L bottle | 18,000-22,000 | High unit count, high freight per usable litre |
| 4 L jug | 4,000-5,000 | Balanced freight and handling |
| 9 KG pail | 1,800-2,200 | Fleet volume without drum commitment |
| 208 L drum | 80 (full container of drums) | Lowest unit cost, needs pump + bunded area |
Private-label MOQ by pack size
MOQ rises with pack size because filling, labelling and palletising a drum costs more to set up than a bottle run. As a planning rule, expect the per-unit setup cost to fall as volume rises, but the minimum order quantity to rise. Confirm the exact MOQ and lead time with the supplier per pack — and ask whether mixed-pack containers are allowed, since one 20ft box that carries 1 L, 4 L and 9 KG together often beats three single-pack shipments.
- 1Decide your channel first: retail, workshop, or contract fleet — or a mix.
- 2Request the MOQ and unit price for each pack size you plan to carry.
- 3Ask whether a mixed-pack container is permitted; it usually lowers your entry cost.
- 4Confirm label artwork, cap type and pallet pattern per pack before locking the order.
A starter mix for a new importer
- 1Open with 1 L and 4 L ready-to-use for shelves and workshops.
- 2Add the 9 KG pail for fleet and depot accounts once you see repeat demand.
- 3Hold drums for your first contract account rather than stocking them speculatively.
- 4Rebalance by climate: tropical markets need no deep freeze grades; cold markets need the lower freeze-point mixes.
See coolant pack sizes
BOLITCH supplies coolant from 1 L bottles to 208 L drums, including the 9 KG pail for fleet and workshop use, with private-label and mixed-pack container options. See the grade list at bolitch.com, or email sale@bolitch.com for samples, specification sheets and MSDS (on request).